<%@ page language="java" pageEncoding="utf-8" %>
<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="utf-8">
    <title>maven-javaweb项目</title>
</head>
<body>
${2*3}
<%=2*6%>
<%
    out.print("hello world");
%>
</body>
</html>